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NVD Vulnerability Details :
CVE-2026-42858
Awaiting Analysis
More InfoOfficial Page
Source-security-advisories@github.com
View Known Exploited Vulnerability (KEV) details
Published At-11 May, 2026 | 18:16
Updated At-12 May, 2026 | 17:16

Open edX Platform enables the authoring and delivery of online learning at any scale. The sync_provider_data endpoint in SAMLProviderDataViewSet allows authenticated Enterprise Admin users to supply an arbitrary URL via the metadata_url POST parameter. This URL is passed directly to requests.get() in fetch_metadata_xml() without any URL validation, IP filtering, or scheme enforcement. An attacker with Enterprise Admin privileges can force the server to make HTTP requests to internal network services, cloud metadata endpoints (e.g., AWS 169.254.169.254), or other attacker-controlled destinations. This vulnerability is fixed by commit 6fda1f120ff5a590d120ae1180185525f399c6d0 and 70a56246dd9c9df57c596e64bdd8a11b1d9da054.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.5HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 8.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-918Secondarysecurity-advisories@github.com
CWE ID: CWE-918
Type: Secondary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/openedx/openedx-platform/commit/6fda1f120ff5a590d120ae1180185525f399c6d0security-advisories@github.com
N/A
https://github.com/openedx/openedx-platform/commit/70a56246dd9c9df57c596e64bdd8a11b1d9da054security-advisories@github.com
N/A
https://github.com/openedx/openedx-platform/security/advisories/GHSA-328g-7h4g-r2m9security-advisories@github.com
N/A
https://github.com/openedx/openedx-platform/security/advisories/GHSA-328g-7h4g-r2m9134c704f-9b21-4f2e-91b3-4a467353bcc0
N/A
Hyperlink: https://github.com/openedx/openedx-platform/commit/6fda1f120ff5a590d120ae1180185525f399c6d0
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/openedx/openedx-platform/commit/70a56246dd9c9df57c596e64bdd8a11b1d9da054
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/openedx/openedx-platform/security/advisories/GHSA-328g-7h4g-r2m9
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/openedx/openedx-platform/security/advisories/GHSA-328g-7h4g-r2m9
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource: N/A
Change History
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